Home / 232,931.20-349,550.40-85,187.20

Finding the Fourth Proportional to 232,931.20, 349,550.40 and 85,187.20

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Solution

The fourth proportional to 232,931.20, 349,550.40 and 85,187.20 is: 127,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,931.20 : 349,550.40 = 85,187.20 : x
  2. Step 2: Convert to fraction form
    232,931.20/349,550.40 = 85,187.20/x
  3. Step 3: Cross multiply
    232,931.20x = 349,550.40 × 85,187.20
  4. Step 4: Simplify right side
    232,931.20x = 29,777,219,834.88
  5. Step 5: Solve for x
    x = 29,777,219,834.88/232,931.20
  6. Step 6: Final answer
    x = 127,836.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.